66484180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 163749600

約数和(自身を除く): 97265420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 179, 196, 245, 358, 379, 490, 716, 758, 895, 980, 1253, 1516, 1790, 1895, 2506, 2653, 3580, 3790, 5012, 5306, 6265, 7580, 8771, 10612, 12530, 13265, 17542, 18571, 25060, 26530, 35084, 37142, 43855, 53060, 67841, 74284, 87710, 92855, 135682, 175420, 185710, 271364, 339205, 371420, 474887, 678410, 949774, 1356820, 1899548, 2374435, 3324209, 4748870, 6648418, 9497740, 13296836, 16621045, 33242090, 66484180]

約数ペア:

[(1, 66484180), (2, 33242090), (4, 16621045), (5, 13296836), (7, 9497740), (10, 6648418), (14, 4748870), (20, 3324209), (28, 2374435), (35, 1899548), (49, 1356820), (70, 949774), (98, 678410), (140, 474887), (179, 371420), (196, 339205), (245, 271364), (358, 185710), (379, 175420), (490, 135682), (716, 92855), (758, 87710), (895, 74284), (980, 67841), (1253, 53060), (1516, 43855), (1790, 37142), (1895, 35084), (2506, 26530), (2653, 25060), (3580, 18571), (3790, 17542), (5012, 13265), (5306, 12530), (6265, 10612), (7580, 8771)]